Post by k2saki on Open dialog from ST previous to version 3.5.6
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Thanks, that helps me a lot, but I have a question about this. https://forge.codesys.com/forge/talk/Engineering/thread/d8839077a0/
Last updated: 2024-06-05
Post by ignat on SafetyApp - Exchange 8 bits from EtherCAT Safety Module to PLC mapping issue
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Hi transmin01, I am struggling with the same issue. Have you found out the solution?
Last updated: 2024-06-17
Post by rmaas on Strange Behavior on Raspberry Pi
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Hello, what you are seeing is not strange behavior. The problem is that everyting is happening in the same program cycle. After the variable Stepnumber is changed from 10 to 20 for example then you want the program to wait with the next EQ until the next program cycle. Else every EQ will be be true because in every line the variable Stepnumber is increased. When the program arrives (still in the same cycle) at the line with the timer, the Stepnumber has been increased to 30 in the meantime and the timer will allway be ON because even though the variable is written to 10 in this line in the next cycle it starts with 10 and will be 30 again before reaching the timer in line 8. Not very good at explaining stuff but i hope you get the problem. See screenshot below for an example of one way you could solve this...
Last updated: 2024-06-18
Post by kthomas on Cant login to Rpi4 but can see it in codesys communications settings.
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This is what I see in codesys window. And here is with the netstat command on the pi
Last updated: 2024-06-23
Post by eschwellinger on Two OneWireMaster on one Raspberry PI 5
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you need to have an own task for the one wire and io update these slaves in an own low prio task!
Last updated: 2025-10-18
Post by eschwellinger on Two OneWireMaster on one Raspberry PI 5
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Could you check the taskcycle time in the taskmonitor (online monitor) - do you really see this 1s on Ethercat Task? Need to check this on my hardware but will take some time...
Last updated: 2025-10-21
Post by eschwellinger on License Reset Request – CODESYS Control Win V3 Standard L
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Please write these kind of request to 'my question' in the CODESYS Store. please do not use ticket and softcontainer numbers here.
Last updated: 2025-10-23
Post by kporter on Exception with ReadNbrSlaves function
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I've been playing with the code using the Windows soft master and the ReadNbrSlaves function block seems to work here: https://content.helpme-codesys.com/en/libs/EtherCATStack/4.8.0.0/EtherCATStack/pou-ETCMasterStack/DynamicConfig/fld-DynamicConfig.html
Last updated: 2025-10-31
Post by gseidel on SMC_FB_WASNT_CALLED_DURING_MOTION when enable MC_MoveRelative
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Hi ducng, please make sure to call all Motion-FBs in the EtherCAT task. In your case, the PLC_PRG should be below the EtherCAT task, not the MainTask. Best regards, Georg
Last updated: 2025-11-03
Post by gcodejedi on The element of type 'VisuFbElemImage' could not be updated. Reason: Index was outside the bounds of the array.
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Hello, I am experiencing this exact same issue. Were you able to get yours resolved? If so, would you mind sharing the solution you discovered? Thanks!
Last updated: 2025-11-03
Post by nano on What is the prerequisites for a Raspberry Pi to work with SysSockSetIpAddressAndNetMask()
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have u turned on the Ip-Setter in codesyscontrol.cfg? [SysSocket] Adapter.0.Name="eth0" Adapter.0.EnableSetIpAndMask=1
Last updated: 2025-11-11
Post by eschwellinger on Stepper motor control with (SM_Drive_RaspStepper_direct)
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.. try to use this projectarchive for the Stepper. In case you search for SoftMotion Examples: "c:\Program Files\CODESYS 3.5.21.X\CODESYS\CODESYS SoftMotion\Examples\Tutorial\"
Last updated: 2025-11-11
Post by shaunvdm on OSCAT Scale_r function not working in LD 4.60 works in LAD2 on 3.5.21sp3
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Hi All, We downgraded Codesys LAD/FB in the IDE to version 4.5 and it works. Codesys Version 4.6 lad/fb not working. Was the way we fixed this. Kind Regards Shaun
Last updated: 2025-11-17
Post by tristan on Textfield display problem
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Hello everyone, I have a little problem with textfield display. When I put a solid backgroud, no problem. But when I put it to invisible, some strange things appears with the text. Do you have this kind of issues ? Thanks a lot, Tristan
Last updated: 2025-11-20
Post by mbart on VAR_INFO from inside of a FB to get info on the instance.
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I experienced the same problem: using __VARINFO is working only in PRG context, while it crashes if used inside Function Blocks. I would really appreciate if they would fix this issue
Last updated: 2025-12-04
Post by kenth1973 on MC_Phasing state explenation
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Hi George - ok thanks - but who created this FB in the first place? Could you lead me to the creator company? Is CODESYS not the old S3 that created this FB? :-)
Last updated: 2025-12-17
Post by unusual-data on C0138: No matching 'FB_Init' method found for instantiation of VisuClientObjectMgr
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you can try to disable "Visualization Manager - Settings - Support client animations and overlay of native elements " selection" It worked for me, thank you.
Last updated: 2025-12-18
Post by timvh on Modbus TCP Server connection is ESTABLISHED but all holding registers are value 0?
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Are you sure you need to read holding registers? Have you tried reading input registers?
Last updated: 2026-01-07
Post by mawaloc on KeyPad Function in Visualization to fill a table
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THANK you !!! I finally find ou... may be not with same thing " use template" , so will looks your way of doing, maybe it's more properly done anyhow thank you
Last updated: 2026-01-08
Post by blitz on Can't get SMC_SmoothPath to work
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So in my case the solution was that I had both smooth path and round path in the code. Both blocks had their own buffer and seemed completely separate but still triggering Execute on both caused the mentioned problems. When I blocked Execute the problems disappeared.
Last updated: 2026-01-11
Post by eschwellinger on CmpCharDevice blocks gpiochip access on Raspberry Pi 5 since update from SP18 to SP21
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this is probably: https://content.helpme-codesys.com/en/CODESYS%20Control/_rtsl_linux_dedicated_user.html ..switch back from rootless mode due GPIO will not work.
Last updated: 2026-07-19
Post by charly29160 on CmpCharDevice blocks gpiochip access on Raspberry Pi 5 since update from SP18 to SP21
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wird nicht mit kopiert - sorry: PermittedPath.0=/dev/i2c PermittedPath.1=/dev/spidev PermittedPath.2=/sys/class/gpio/ PermittedPath.3=/dev/gpiochip
Last updated: 2026-07-20
Post by charly29160 on CmpCharDevice blocks gpiochip access on Raspberry Pi 5 since update from SP18 to SP21
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Problem gefunden und erledigt => in CODESYSControl_User.cfg ergänzt: [CmpCharDevice] PermittedPath.0=/dev/i2c PermittedPath.1=/dev/spidev PermittedPath.2=/sys/class/gpio/ PermittedPath.3=/dev/gpiochip Dann funktioniert es wieder Gruß Karl Schuler
Last updated: 2026-07-20
Post by charly29160 on CmpCharDevice blocks gpiochip access on Raspberry Pi 5 since update from SP18 to SP21
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Noch eine Info dazu: als Version der Pi MC SL wird mir 4.21.0.0 angezeigt. In der log steht jedoch für IoDrvGPIO: 4.17.0.0 was ist das Problem?
Last updated: 2026-07-20
Post by timvh on Legacy IFM CANopen I/O modules with CR710S / CODESYS 3.5
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Yes, you can use the .eds files also in CODESYS 3. Install them through the menu Tools - Device Repository. Then you can add the CANopen devices to your CANopen manager in your device configuration.
Last updated: 1 day ago
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